Xinna Yu

ORCID: 0000-0002-3513-9710
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Research Areas
  • Advanced Memory and Neural Computing
  • Ferroelectric and Negative Capacitance Devices
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Transition Metal Oxide Nanomaterials
  • Advanced Chemical Sensor Technologies
  • Microplastics and Plastic Pollution
  • Water Quality Monitoring and Analysis
  • Neuroscience and Neural Engineering
  • Photonic and Optical Devices
  • Electronic and Structural Properties of Oxides
  • Toxic Organic Pollutants Impact
  • Spectroscopy and Chemometric Analyses
  • MXene and MAX Phase Materials
  • Tactile and Sensory Interactions
  • ZnO doping and properties
  • Polydiacetylene-based materials and applications
  • Nanoparticles: synthesis and applications
  • Neural Networks and Reservoir Computing
  • Spectroscopy and Laser Applications
  • Nanocluster Synthesis and Applications
  • Analytical Chemistry and Sensors
  • Advanced Fiber Optic Sensors
  • Gas Sensing Nanomaterials and Sensors
  • Thin-Film Transistor Technologies
  • Calibration and Measurement Techniques

Shanghai Jiao Tong University
2019-2025

Resistive random access memory (RRAM) has attracted considerable attention due to its fast speed and high storage density. Two different reset modes (progressive abrupt reset) of RRAM have been observed previously, the former showing good uniformity but small switching window, while latter having large window poor stability power consumption. To overcome these limitations, an approach was proposed control formation fracture conductive filaments with interface engineering, specifically by...

10.1063/5.0070400 article EN Applied Physics Letters 2022-01-10

Since the nanomaterial has become one of most popular topics, gold nanomaterials have always been a research hotspot. Gold nanostars (GNSs) as formations nanoparticles stepped on stage due to its remarkable property. By using Turkevich method, Brust seeded growth method and seedless-based with proper specific modification, GNSs could be produced for different requirements. These present various properties under modification: high physical chemical stability, biocompatibility ability...

10.26599/nbe.2023.9290025 article EN cc-by Nano Biomedicine and Engineering 2023-07-01

The chlorophyll content in water bodies is one of the most important indicator parameters quality assessment, red tide warning, carbon cycling, and ecosystem research. Laser-induced fluorescence spectroscopy (LIFS) offers considerable potential for situ online monitoring natural waters. Due to influence turbidity, temperature, suspended algal particles, accurate faces enormous challenges, especially random movement which often causes fluctuation amplitude LIFS signals be greater than...

10.1021/acssensors.4c01883 article EN ACS Sensors 2025-02-20

With the advent of big-data era, conventional memory technologies and devices are facing enormous challenges. Resistive random access (RRAM) is an emerging technology that has aroused widespread interest for its immense potential. However, there remain some problems in resistive switching devices, such as high voltages, voltages distribution, wide variation resistance states, poor endurance. In this work, molybdenum disulfide quantum dots applied to devices. The resulting exhibit improved...

10.1063/5.0039654 article EN Applied Physics Letters 2021-04-26

Abstract Transient memristor, which can be decomposed in water after completing the designed task, has shown great potentials data security, implantable medical devices, and eco‐friendly electronics. However, further development of transient memristors is hindered by lacking practical approaches to deal with dilemma between stability degradability device. Here, using Ag‐doped fibroin film as a switching medium, an unconventional right‐angled‐like resistive behavior observed. Based on this...

10.1002/aelm.202100843 article EN Advanced Electronic Materials 2021-10-15

Resistive random-access memory (RRAM) has garnered significant interest in developing nonvolatile systems due to its ability provide external field tunable resistive states with fast speed and low power consumption. This state primarily results from the formation breakage of conductive pathways triggered by active ion migration. However, stochastic nature migration, stability switching process is a long-standing bottleneck. Here, we investigate impact device kinetic parameters on behavior...

10.1063/5.0156972 article EN Applied Physics Letters 2023-07-24

Controlling resistance by external fields provides fascinating opportunities for the development of novel devices and circuits, such as temperature-field-induced superconductors, magnetic-field-triggered giant magnetoresistance devices, electric-field-operated flash memories. In this work, we demonstrate a light-triggered nonvolatile resistive switching behavior in oxygen-doped MoS2. The two-terminal exhibit stable light-modulated characteristics optically tunable synaptic properties with an...

10.1021/acs.nanolett.3c02499 article EN Nano Letters 2023-08-23

Biomaterials such as fibroin have drawn wide attention switching medium in transient memristors. However, due to unique degradability and inhomogeneous microstructure of film, fibroin-based memristor usually showed unstable resistive behaviors. Here, we show that using MoS <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> quantum dots modify inert electrodes can significantly reduce the randomness device, thereby achieving an excellent...

10.1109/led.2021.3075835 article EN IEEE Electron Device Letters 2021-04-26

Position-sensitive detectors (PSDs) based on the lateral photovoltaic effect (LPE) are widely used for precision displacement and angle measurement. However, high temperatures can lead to thermal decomposition or oxidation of nanomaterials frequently utilized in PSDs, ultimately affect performance. In this study, we present a PSD Ag/nanocellulose/Si that maintains maximum sensitivity 416.52 mV/mm, even at elevated temperatures. By encapsulating nanosilver nanocellulose matrix, device...

10.1364/ol.494776 article EN Optics Letters 2023-06-08

Resistive random-access memory has attracted tremendous attention and numerous investigations as a promising next-generation nonvolatile device to address the physical limits of flash memory. Particularly, physically transient resistive switching is intensively researched for its degradable environmentally friendly characteristics. Zinc oxide ($\mathrm{Zn}\mathrm{O}$), low-cost biocompatible biodegradable material, been widely used in dielectric layer, yet many previous studies on...

10.1103/physrevapplied.17.034007 article EN Physical Review Applied 2022-03-02

A continual change in resistance plays an important role simulating the biological synapses and abrupt switching mode helps to store information with fast speed low-power operation. The manipulation of dual-mode comprehension mechanisms, which are key developing multifunctional random access memory devices, has made little progress due complexity influencing factors. We observe that both gradual reset behaviors exist...

10.1103/physrevapplied.16.044050 article EN Physical Review Applied 2021-10-26

This paper focuses on the properties of light scattering spectra from a spherical particle and their application for size measurement. The influence angle are investigated simulated. An ultra-resolution dimension measurement method was proposed based detecting peak spectra. accurate spectral location strategy shape features is adopted to reduce positioning error caused by dispersion. smaller measured locating wide at larger achieve higher sensitivity, while narrow range. If resolution...

10.1364/oe.465146 article EN cc-by Optics Express 2022-07-26

The current multi-touch interactions are mainly relying on the contact between objects and diplay screens, which is restricted in a two dimensional plane. To expand dimension of human-machine interaction, we propose kind remote multi-point optical 'touch' technology users can control displays from distant laser pens. touching system consists pen used as light, double layered transparent films with sub-wavelength gratings, photodetector arrays set around sidewalls films. working mechanism is:...

10.1117/12.2529765 article EN 2019-09-03

Finger touch-based interactions relying on real physical touch between the objects and plane screens are inconvenient to be used in large scale displays, since size of screen is beyond reachable range operators. In this work, we propose a novel optical interaction simultaneously integrated with remote direct touched fingerprint sensing which includes three layers transparent films embedded sub-wavelength gratings. The proposed were validated by rigorous coupled-wave theory analysis coupling...

10.1117/12.2528249 article EN 2019-09-09
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